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| I get the message "Wolfram|Alpha doesn't understand your query" when I try to input this equation: a+x+g=0, b+y+h=0, c+z+j=0, a2+b2+c2=R2, x2+y2+z2=R2, g2+h2+j2=R2, R=1, x=1 It's a 3 variables 3 equations system about 3 vectors (x,y,z),... |